- Date
- January 21, 1972
- Place
- Koloa, HI · KOLOA, HI
- Injuries
- 1 minor
- Damage
- Substantial damage
- Phase of flight
- Uncontrolled descent
- Aircraft
- N8544FBell 47G-5
- Status
- Completed · report September 28, 1972
- Report
- Brief approved by the director
- Case key
- 165241
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-0283 72/1/21 KOLOA,HAWAII BELL 47G-5 CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 0830 N8544F PX- 0 0 0 AERIAL APPLICATION AGE 31, 4700 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 500 IN TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION KOLOA,HAWAII LOCAL TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH GROUND/WATER: UNCONTROLLED IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM SYSTEMS - FLIGHT CONTROL SYSTEMS: FLIGHT CONTROL BOOST SYSTEMS, HYDRAULIC MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 4700 KIND OF OPERATION - OTHER KIND OF CROP - OTHER TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC PILOT' S SEAT BELT -FASTENED-PROPERLY GLOVES - NOT USED GOGGLES - NOT USED CRASH HELMET - AVAILABLE USED COCKPIT CRASHPAD - NOT INSTALLED CRASH BAR - NOT INSTALLED TANK/HOPPER-LOCATION - SIDES TERRAIN-TYPE -ROLLING ELEVATION-AREA BEING TREATED-FEET - 500 REMARKS- CTL BOOST CYL FAILED IN LOCKED PSN.PLT UN TO MOVE CYCLIC CTL FORE OR AFT.HELO HIT IN NS DN ATT.
Aircraft
- Registration
- N8544F
- Reported as
- Bell 47G-5
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage